20.You have to have a good preparation for the exam__________ you can do well in

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20.You have to have a good preparation for the exam__________ you can do well in it.

A．in order to

B．such that

C．such as

D．so that

答案

解析

DABBC

举一反三

__________I understand you, I can’t agree with you.

A．While

B．When

C．Since

D．Because

题型：不详难度：| 查看答案

He waited with his companion_________the rescuers came, and then helped them carry her back down the mountain.

A．when

B．until

C．unless

D．while

题型：不详难度：| 查看答案

11. ______ she is young, she knows quite a lot.

A．When

B．However

C．Although

D．Unless

题型：不详难度：| 查看答案

The reason ____ I have to go is _____ my mother is ill in hospital.

A．why ; why

B．why; because

C．why ; that

D．that; because

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He rushed out of the burning house with the little boy in his arms ____________ the roof fell down and the boy was saved.

A．after

B．as

C．before

D．until

题型：不详难度：| 查看答案